Josh Mandel, a Republican from Lyndhurst, is a Marine veteran who served two tours in Iraq. He served as Ohio treasurer from 2011 to 2019. Before that, he was a state representative from the 17th Ohio House District. He unsuccessfully challenged Democratic incumbent Sherrod Brown in the 2012 US Senate race. Mandel is running for the GOP nomination for an Ohio U.S. Senate seat in 2022.